class Math_operation
{
	int addition(int x,int y);
	{
		int add;
		add=x+y;
		return add;
	}
	int subtraction(int x,int y);
	{
		int sub;
		sub=x-y;
		return sub;
	}
	int multiplication(int x,int y);
	{
		int mul;
		mul=x*y;
		return mul;
	}
	double division(double x,double y);
	{
		double div;
		div=x/y;
		return div;
	}
}

class Math1
{	
	public static void main(String args[])
	{
	Math operation m1;
	m1=new Math Operation();
	
	int addval=m1.addition(100,50);
	int subval=m1.subtraction(50,20);
	int mulval=m1.multiplication(90,150);
	double divval=m1.division(10.0,2.0);
	
	System.out.println("addition value is :"+addval);
	System.out.println("subtraction value is :"+subval);
	System.out.println("multiplication value is :"+mulval);
	System.out.println("division value is :"+divval);
	}
}
	
 	}